专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

AU2003231748A8 Device and method to expand operating range of a fuel cell stack 未知
公开(公告)号：AU2003231748A8
公开(公告)日：2003-11-17
申请号：AU2003231748
申请日：2003-04-23
申请人： GEN MOTORS CORP
发明人： SKALA GLENN W , ROCK JEFFREY A
IPC分类号： H01M2/00 , H01M2/02 , H01M2/14 , H01M8/00 , H01M8/02 , H01M8/04 , H01M8/10 , H01M8/24 , H02J20060101
摘要： A device and method are provided to allow the flowpaths in a fuel cell stack to be reconfigured dependent on reactant gas throughput in order to maintain appropriate pressure drop, sufficient velocities, and reactant concentrations of each cell of a fuel cell stack.

32. 发明专利

DE112005003103B4 Brennstoffzelle und Brennstoffzellenstapel mit ineinander gesetzten geprägten Platten 未知
公开(公告)号：DE112005003103B4
公开(公告)日：2013-03-14
申请号：DE112005003103
申请日：2005-10-31
申请人： GEN MOTORS CORP
发明人： GOEBEL STEVEN G , ROCK JEFFREY A
IPC分类号： H01M2/02 , H01M8/00 , H01M4/00 , H01M4/86 , H01M8/04
摘要： Brennstoffzellenstapel, mit: einem aktiven Gebiet, das einen Stapel aus Brennstoffzellen aufweist, wobei jede Brennstoffzelle eine Membranelektrodenanordnung (MEA) mit einer Kathodenseite und einer Anodenseite, eine kathodenseitige Diffusionsmediumschicht auf der Kathodenseite der MEA, eine anodenseitige Diffusionsmediumschicht auf der Anodenseite der MEA und eine Bipolarplattenanordnung des aktiven Gebiets aufweist, die zwischen gegenüberliegenden Diffusionsmediumschichten in benachbarten Brennstoffzellen positioniert ist, wobei die Bipolarplattenanordnung des aktiven Gebiets ineinandergesetzte Bipolarplatten aufweist, die kathodenseitige Strömungskanäle und anodenseitige Strömungskanäle definieren; und einem inaktiven Zufuhrgebiet, das einen Stapel aus Membranen, die einen Teil der MEAs in dem Stapel von Brennstoffzellen bilden, und eine Bipolarplattenanordnung des Zufuhrgebiets aufweist, wobei die Bipolarplattenanordnung des Zufuhrgebiets nicht ineinandergesetzte Bipolarplatten aufweist, die kathodenseitige Strömungskanäle und anodenseitige Strömungskanäle definieren, wobei die kathodenseitigen Strömungskanäle in dem Zufuhrgebiet in Fluidverbindung mit den kathodenseitigen Kanälen in dem aktiven Gebiet stehen und etwa dieselbe Größe wie diese aufweisen und die anodenseitigen Strömungskanäle in dem Zufuhrgebiet in Fluidverbindung mit...

33. 发明专利

CA2542355C ONE PIECE BIPOLAR PLATE WITH SPRING SEALS 未知
公开(公告)号：CA2542355C
公开(公告)日：2009-10-06
申请号：CA2542355
申请日：2004-10-07
申请人： GEN MOTORS CORP
发明人： ROCK JEFFREY A
IPC分类号： H01M2/08 , H01M2/14 , H01M8/02 , H01M8/24
摘要： A PEM fuel cell includes a cathode plate for directing a first fluid along a surface thereof. An anode plate directs a second fluid along a surface thereof. An MEA is oriented in a first direction. The MEA includes an anode face opposing the anode plate and a cathode face opposing the cathode plate. A plate margin includes first and second header apertures oriented in a second direction perpendicular to the first direction. A first seal is disposed between the anode plate and the MEA. The first seal defines a first fluid communication path between the first header aperture and the anode plate. A second seal is disposed between the cathode plate and the MEA. The second se al defines a second fluid communication path between the second header aperture and the cathode plate. The first and second seals allow the first and second fluid to flow through respective passages thereon in a direction parallel th e first direction.

34. 发明专利

DE112005001966T5 未知
公开(公告)号：DE112005001966T5
公开(公告)日：2007-08-09
申请号：DE112005001966
申请日：2005-06-09
申请人： GEN MOTORS CORP
发明人： RAPAPORT PINKHAS A , ROCK JEFFREY A , BOSCO ANDREW D , SALVADOR JOHN P , PAINE LESLIE A , GASTEIGER HUBERT A
IPC分类号： H01M8/02 , H01M8/24 , H01M2/14 , H01M8/04 , H01M8/10
摘要： A hydrogen fuel cell stack has at least two segments of fuel cells each having reactant gas passages. The reactant gas passages of each fuel cell in each segment are arranged in parallel with each other. Flow of fuel cell fluids is in a gravity assisted downward direction. Gravity assisted flow directs water formed in each cell to lower removal points of the stack segments. Adjacent segments are separated by either a separator segment formed as an integral unit with the stack or the segments are joined and an external piping system directs flow to differing stack areas. A cathode flow enters at a first stack end and a hydrogen anode flow enters the stack at an opposite end, such that cathode and anode flows are counter-current to each other. A coolant flow is normally injected adjacent to and flows parallel with the cathode flow, but can also be directed by the piping system to any or all segments in series or parallel.

35. 发明专利

DE112005002035T5 未知
公开(公告)号：DE112005002035T5
公开(公告)日：2007-06-21
申请号：DE112005002035
申请日：2005-06-09
申请人： GEN MOTORS CORP
发明人： ROCK JEFFREY A , BEUTEL MATTHEW J , OFSLAGER SCOTT C
IPC分类号： H01M2/08 , H01M8/02 , H01M8/10
摘要： A seal configuration is provided for a fuel cell stack, including a first bipolar plate and a second bipolar plate, each disposed on opposite sides of a membrane electrode assembly. The seal configuration includes a first sub-gasket adhered to a recess region of the first bipolar plate and a second sub-gasket adhered to a recess region of the second bipolar plate wherein the first and second sub-gaskets are disposed on opposite sides of the membrane electrode assembly. A seal member is disposed in the recessed regions of the first and second bipolar plates and between the first and second sub-gaskets. The seal configuration minimizes the size of the bypass regions around the seal perimeter and provide better control of the positions of all components during assembly of the fuel cell stack. The approach also reduces sensitivity to ambient relative humidity variations and reduces manufacturing costs by eliminating the need for humidity control in the production area.

36. 发明专利

DE112005001754T5 未知
公开(公告)号：DE112005001754T5
公开(公告)日：2007-05-10
申请号：DE112005001754
申请日：2005-06-09
申请人： GEN MOTORS CORP
发明人： BETHEM PAUL J VAN , ROCK JEFFREY A , FLY GERALD W , BEUTEL MATTHEW J
IPC分类号： H01M8/24 , H01M2/08

37. 发明专利

DE10394231T5 未知
公开(公告)号：DE10394231T5
公开(公告)日：2006-03-16
申请号：DE10394231
申请日：2003-04-22
申请人： GEN MOTORS CORP
发明人： ROCK JEFFREY A , SCHLAG HARALD , GRIFFITH KIM R
IPC分类号： H01M8/02 , H01M8/04 , H01M8/10 , H01M8/24
摘要： An electro-conductive plate assembly for a fuel cell has a pair of stamped plates joined together to define a coolant volume therein. Each of the pair of stamped plates has a flow field on a major outer surface arranged to maximize the contact area between major inner surfaces of the plates while allowing coolant to distribute and flow readily within the coolant volume. The flow fields formed on the major outer surfaces provide corresponding sets of lands on the major inner surfaces that contact to form a third flow field of the coolant volume. The third flow field formed by the lands includes a plurality of longitudinal channels and an array of flow disruptors. The bipolar plate assembly further includes a seal arrangement and integral manifolds to direct reactant gas and coolant flow through the fuel cell.

38. 发明专利

DE10393165T5 未知
公开(公告)号：DE10393165T5
公开(公告)日：2006-01-12
申请号：DE10393165
申请日：2003-08-20
申请人： GEN MOTORS CORP
发明人： RAPAPORT PINKHAS A , ROCK JEFFREY A , BOSCO ANDREW D , SALVADOR JOHN P , GASTEIGER HUBERT , PAINE LESLEY
IPC分类号： H01M8/24 , H01M2/14 , H01M8/02 , H01M8/04 , H01M8/10
摘要： A fuel cell stack has at least two segments of fuel cells each having reactant gas passages. Each of the cells in each segment is arranged such that the reactant gas passages of each cell are in parallel with each other cell. Flow of fuel cell fluids, normally in a gaseous state on the anode and cathode side of each cell, is in a gravity assisted downward direction. Gravity assisted flow directs water formed in each cell to lower removal points of the stack segments. Each pair of segments is separated by a separator segment having a separator channel, the separator segment forming an integral unit of the stack. Each separator channel redirects the entire flow of each fluid within the stack from the bottom of an upstream segment to the top of a next or downstream segment, without reacting the fluid, controlling relative humidity between stack segments.

39. 发明专利

CA2542355A1 ONE PIECE BIPOLAR PLATE WITH SPRING SEALS 未知
公开(公告)号：CA2542355A1
公开(公告)日：2005-05-26
申请号：CA2542355
申请日：2004-10-07
申请人： GEN MOTORS CORP
发明人： ROCK JEFFREY A
IPC分类号： H01M2/08 , H01M2/14 , H01M8/02 , H01M8/24
摘要： A PEM fuel cell includes a cathode plate for directing a first fluid along a surface thereof. An anode plate directs a second fluid along a surface thereof. An MEA is oriented in a first direction. The MEA includes an anode face opposing the anode plate and a cathode face opposing the cathode plate. A plate margin includes first and second header apertures oriented in a second direction perpendicular to the first direction. A first seal is disposed between the anode plate and the MEA. The first seal defines a first fluid communication path between the first header aperture and the anode plate. A second seal is disposed between the cathode plate and the MEA. The second seal defines a second fluid communication path between the second header aperture and the cathode plate. The first and second seals allow the first and second fluid to flow through respective passages thereon in a direction parallel the first direction.

40. 发明专利

DE10392589T5 未知
公开(公告)号：DE10392589T5
公开(公告)日：2005-05-25
申请号：DE10392589
申请日：2003-04-14
申请人： GEN MOTORS CORP
发明人： CLINGERMAN BRUCE J , ROCK JEFFREY A
IPC分类号： H01M8/04 , H01M8/06 , H01M8/24
摘要： A sensor for monitoring the lambda of a component of a reactant feed stream flowing through a fuel cell stack. The sensor comprises one or more fuel cells that are sensitive to a change in lambda of a specific component of a reactant feed stream flowing through the fuel cell. The sensitivity of the fuel cell causes a voltage produced by the lambda sensing fuel cell to vary in response to variation in the lambda of the specific component. The variation of the voltage output can be modeled and/or compared to empirical data to correlate the voltage output to the lambda of the specific component. Based on the lambda of the specific component, the operation of the fuel cell stack can be optimized.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式